Home / 1,445,441,690.14-1,994,533,182.55-810,215,577.25

Finding the Fourth Proportional to 1,445,441,690.14, 1,994,533,182.55 and 810,215,577.25

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Solution

The fourth proportional to 1,445,441,690.14, 1,994,533,182.55 and 810,215,577.25 is: 1,117,998,646.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,441,690.14 : 1,994,533,182.55 = 810,215,577.25 : x
  2. Step 2: Convert to fraction form
    1,445,441,690.14/1,994,533,182.55 = 810,215,577.25/x
  3. Step 3: Cross multiply
    1,445,441,690.14x = 1,994,533,182.55 × 810,215,577.25
  4. Step 4: Simplify right side
    1,445,441,690.14x = 1,616,001,853,840,013,568
  5. Step 5: Solve for x
    x = 1,616,001,853,840,013,568/1,445,441,690.14
  6. Step 6: Final answer
    x = 1,117,998,646.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.